spice: Missing check in demarshal.py:write_validate_array_item() allows for buffer overflow and denial of service
Published Aug 17, 2018
8.8
HIGHCVSS 3.0
EPSS 3.93%
Description
A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages lacked sufficient bounds checks. A malicious client or server, after authentication, could send specially crafted messages to its peer which would result in a crash or, potentially, other impacts.
Affected products
- Vendor n/a Product Spice: Defaultn/a
- Version 0.14.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Spice: | n/a |
|
Configuration 1
- < 0.14.1
Configuration 2
- 8.0
- 9.0
Configuration 3
- 14.04
- 16.04
- 18.04
Configuration 4
- 4.0
- 4.0
- 6.0
- 7.0
- 6.0
- 7.0
- 7.6
- 7.5
- 7.6
- 7.6
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6
spice-gtk-0:0.26-8.el6_10.1
Fixed · RHSA-2018:2732
Red Hat Enterprise Linux 6
spice-server-0:0.12.4-16.el6_10.1
Fixed · RHSA-2018:2732
Red Hat Enterprise Linux 7
spice-0:0.14.0-2.el7_5.5
Fixed · RHSA-2018:2731
Red Hat Enterprise Linux 7
spice-gtk-0:0.34-3.el7_5.2
Fixed · RHSA-2018:2731
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
imgbased-0:1.0.29-1.el7ev
Fixed · RHSA-2018:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-release-virtualization-host-0:4.2-7.3.el7
Fixed · RHSA-2018:3470
Red Hat Virtualization 4 for Red Hat Enterprise Linux 7
redhat-virtualization-host-0:4.2-20181026.0.el7_6
Fixed · RHSA-2018:3470
Red Hat Enterprise Linux 5
qspice
Not affected
Red Hat Enterprise Linux 8
spice
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | spice-gtk-0:0.26-8.el6_10.1 | Fixed | RHSA-2018:2732 |
| Red Hat Enterprise Linux 6 | spice-server-0:0.12.4-16.el6_10.1 | Fixed | RHSA-2018:2732 |
| Red Hat Enterprise Linux 7 | spice-0:0.14.0-2.el7_5.5 | Fixed | RHSA-2018:2731 |
| Red Hat Enterprise Linux 7 | spice-gtk-0:0.34-3.el7_5.2 | Fixed | RHSA-2018:2731 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | imgbased-0:1.0.29-1.el7ev | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-release-virtualization-host-0:4.2-7.3.el7 | Fixed | RHSA-2018:3470 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 | redhat-virtualization-host-0:4.2-20181026.0.el7_6 | Fixed | RHSA-2018:3470 |
| Red Hat Enterprise Linux 5 | qspice | Not affected | n/a |
| Red Hat Enterprise Linux 8 | spice | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.93% (0.03934) | 90.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.93% (0.03934) | 88.99th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.27% (0.01270) | 78.88th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.49% (0.02494) | 84.01th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.53% (0.00535) | 65.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00175) | 55.90th | v3 (v2023.03.01) |
| Mar 12, 2024 | 0.18% (0.00175) | 53.87th | v3 (v2023.03.01) |
| Feb 17, 2024 | 0.25% (0.00249) | 63.91th | v3 (v2023.03.01) |
| Jan 8, 2024 | 0.26% (0.00258) | 63.47th | v3 (v2023.03.01) |
| Aug 11, 2023 | 0.18% (0.00181) | 54.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.17% (0.00168) | 51.99th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.48% (0.02476) | 54.92th | v1 |
| Jan 6, 2022 | 2.48% (0.02476) | 54.49th | v1 |
| Sep 1, 2021 | 2.48% (0.02476) | 78.74th | v1 |
| Apr 14, 2021 | 2.48% (0.02476) | 0.00th | v1 |
References (15)
- http://www.securityfocus.com/bid/105152 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2731 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2732 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3470 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-10873 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1596008 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10873 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://gitlab.freedesktop.org/spice/spice-common/commit/bb15d4815ab586b4c4a20f4a565970a44824c42c x_refsource_CONFIRMPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00035.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00037.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00038.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-10873
- https://usn.ubuntu.com/3751-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-10873
- https://www.debian.org/security/2018/dsa-4319 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.